1622228-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622228-86-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,2,2 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1622228-86:
(9*1)+(8*6)+(7*2)+(6*2)+(5*2)+(4*2)+(3*8)+(2*8)+(1*6)=147
147 % 10 = 7
So 1622228-86-7 is a valid CAS Registry Number.
1622228-86-7Relevant articles and documents
PROCESSES FOR THE PREPARATION OF IVACAFTOR
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Page/Page column 46, (2017/03/21)
The present invention provides processes for the preparation of ivacaftor using novel intermediates and a process for its preparation.